McQuay K Serie Manual De Instalación página 9

01_EN_3P257187-1A.fm Page 8 Thursday, November 12, 2009 12:01 PM
Indoor Unit Installation
4.
Wiring
1) Strip wire ends (15mm).
2) Match wire colours with terminal numbers on indoor and outdoor unit's terminal blocks and firmly screw wires to the
corresponding terminals.
3) Connect the earth wires to the corresponding terminals.
4) Pull wires to make sure that they are securely latched up, then retain wires with wire retainer.
5) In case of connecting to an adapter system. Run the remote control cable and attach the S21. (Refer to 5. When connecting to a
wired remote controller.)
6) Shape the wires so that the service lid fits securely, then close service lid.
WARNING
• Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical
shock, or fire.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
5.
When connecting to a wired remote controller
* If work space is available on the right side of the indoor unit, the work
can be performed with the electrical component box attached. Omit the
steps involved with removing and installing the electrical component
box in order to perform the work more efficiently.
5-1. Remove the front grille (2 screws).
5-2. Remove the service lid (1 screw).
5-3. Remove the cover from the indoor unit electrical
component box [Figure 1].
* 5-4. Remove the indoor unit electrical component box.
1) Remove the flap.
2) Disconnect the communication wiring.
3) Disconnect the connector (S200).
4) Remove the thermistor from the heat exchanger.
5) Remove the electrical component box installation screw (1 screw).
8
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Terminal block
Electrical component box
1 2 3
Shape wires so that the
service lid will fit securely.
Firmly secure wire retainer so that
wires sustain no external stress.
Wire retainer
Use the specified
wire type.
Firmly fix the wires with
the terminal screws.
Use 2.0mm diameter wires.
1
Indoor
2
3
unit
Firmly fix the wires with
the terminal screws.
Outdoor unit
1 2 3 L N
H05RN
Figure 1: Removing the cover from
the indoor unit electrical
component box
Disengage the tab.
Cover of the indoor unit
electrical component box
Disengage the tab.
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